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bugfix: graph conversion, append after key creation

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Johann Dreo 2014-03-20 23:27:51 +01:00
commit d04a34d266
1 changed files with 4 additions and 2 deletions
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6
graph.py
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@ -2,7 +2,9 @@
def graph( segments ):
graph = {}
for start,end in segments:
graph[start] = graph.get( start, [] ).append( end )
graph[end] = graph.get( end, [] ).append( start )
graph[start] = graph.get( start, [] )
graph[start].append( end )
graph[end] = graph.get( end, [] )
graph[end].append( start )
return graph